func(w io.Writer) io.Writer { return w },
	}

	rs := []func(io.Reader) io.Reader{
		iotest.DataErrReader,
		func(r io.Reader) io.Reader { return r },
	}

	for ri, rfunc := range rs {
		for wi, wfunc := range ws {
			input := createTestInput(8192)
			b := new(strings.Builder)
			w := NewWriter(wfunc(b))
			r := rfunc(bytes.NewReader(input))

	getMemInfoRPC                  = grid.NewSingleHandler[*grid.MSS, *grid.JSON[madmin.MemInfo]](grid.HandlerGetMemInfo, grid.NewMSS, madminMemInfo.NewJSON)
	getMetacacheListingRPC         = grid.NewSingleHandler[*listPathOptions, *metacache](grid.HandlerGetMetacacheListing, func() *listPathOptions { return &listPathOptions{} }, func() *metacache { return &metacache{} })

			r = append(r, v)
		}
	}

	sort.Slice(r, func(i, j int) bool {
		return r[i].User < r[j].User
	})

	return r
}

// Assumes store is locked by caller. If groups is empty, returns all group mappings.
func (store *IAMStoreSys) listGroupPolicyMappings(cache *iamCache, groupsSet set.StringSet,
	groupPredicate func(string) bool, decodeFunc func(string) string,
) []madmin.GroupPolicyEntities {

	}

	var unlockOnDefer bool
	nsUnlocker := func() {}
	defer func() {
		if unlockOnDefer {
			nsUnlocker()
		}
	}()

	// Acquire lock
	if !opts.NoLock {
		lock := z.NewNSLock(bucket, object)
		lkctx, err := lock.GetRLock(ctx, globalOperationTimeout)
		if err != nil {
			return nil, err
		}
		ctx = lkctx.Context()
		nsUnlocker = func() { lock.RUnlock(lkctx) }
		unlockOnDefer = true
	}

// SetUsersSysType - sets the users system type, regular or LDAP.
func (sys *IAMSys) SetUsersSysType(t UsersSysType) {
	sys.usersSysType = t
}

// GetUsersSysType - returns the users system type for this IAM
func (sys *IAMSys) GetUsersSysType() UsersSysType {
	return sys.usersSysType
}

// NewIAMSys - creates new config system object.
func NewIAMSys() *IAMSys {
	return &IAMSys{

func resetGlobalEndpoints() {
	globalEndpoints = EndpointServerPools{}
}

func resetGlobalIsErasure() {
	globalIsErasure = false
}

// reset global heal state
func resetGlobalHealState() {
	// Init global heal state
	if globalAllHealState == nil {
		globalAllHealState = newHealState(GlobalContext, false)
	} else {
		globalAllHealState.Lock()
		for _, v := range globalAllHealState.healSeqMap {

}

// Implements stringer compatible interface.
func (s *xlStorage) String() string {
	return s.drivePath
}

func (s *xlStorage) Hostname() string {
	return s.endpoint.Host
}

func (s *xlStorage) Endpoint() Endpoint {
	return s.endpoint
}

func (s *xlStorage) Close() error {
	s.immediatePurgeCancel()
	return nil
}

func (s *xlStorage) IsOnline() bool {
	return true
}

		checkMyIndex = func(t *testing.T) {
			checkColumnType(t, "name", true)
			checkIndex(t, []gorm.Index{uniqueConstraintIndex, myIndex})
		}
		checkMulIndex = func(t *testing.T) {
			checkColumnType(t, "name", false)
			checkColumnType(t, "nick_name", false)
			checkIndex(t, []gorm.Index{mulIndex})
		}
	} else {
		checkNotUnique = func(t *testing.T) { checkColumnType(t, "name", false) }

var metaDataPool = bpool.Pool[[]byte]{New: func() []byte { return make([]byte, 0, metaDataReadDefault) }}

// metaDataPoolGet will return a byte slice with capacity at least metaDataReadDefault.
// It will be length 0.
func metaDataPoolGet() []byte {
	return metaDataPool.Get()[:0]
}

// metaDataPoolPut will put an unused small buffer back into the pool.
func metaDataPoolPut(buf []byte) {

func (z ErasureAlgo) Msgsize() (s int) {
	s = msgp.Uint8Size
	return
}

// DecodeMsg implements msgp.Decodable
func (z *VersionType) DecodeMsg(dc *msgp.Reader) (err error) {
	{
		var zb0001 uint8
		zb0001, err = dc.ReadUint8()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = VersionType(zb0001)
	}
	return
}

// EncodeMsg implements msgp.Encodable